Product Description
Applications of Geotextiles
Geotextiles, also known as geotextile fabrics, are synthetic materials made from polymer fibers (such as polyester, nylon, polyethylene, etc.) and are widely used in civil engineering, environmental protection, and agriculture. Their main functions include reinforcement, separation, filtration, drainage, and protection. Below are their typical application scenarios:
1. Civil Engineering
Roads and Highways
Separating different soil layers (e.g., subgrade and pavement) to prevent the subsidence of weak foundations.
Reducing the loss of subgrade materials and extending the lifespan of roads.
Dams and Slope Protection
Reinforcing riverbanks and coastlines to prevent erosion and landslides.
Used in slope protection projects to reduce the impact of water flow.
Landfills
Serving as a lining (used in combination with HDPE membranes) to prevent the leakage of pollutants.
Separating waste layers from surrounding soil to minimize environmental impact.
Airports and Railway Construction
Improving the stability of foundations and reducing the risk of settlement.
2. Environmental Protection and Ecological Restoration
Soil and Water Conservation
Vegetation slope protection: covering the ground surface to reduce rainwater erosion and promote vegetation growth.
Desertification control: fixing sandy soil to prevent wind erosion.
Pollution Control
Adsorbing and retaining industrial waste, heavy metals, or oil spills (requires special functional coatings).
Wetland Restoration
Providing temporary support structures to assist plant root growth.
3. Agriculture and Horticulture
Weed Control Fabric (Horticultural Ground Cloth)
Suppressing weed growth and reducing the use of herbicides.
Maintaining soil moisture and improving the growing environment for crops.
Drainage and Irrigation
Assisting in soil drainage to prevent waterlogging and root rot.
Pasture and Turf Protection
Reducing damage to grasslands from livestock trampling.
4. Other Emerging Applications
Sponge City Construction
Used in permeable pavements, rain gardens, and other facilities to enhance rainwater infiltration and storage.
Mine Reclamation
Fixing loose mine slag and restoring vegetation cover.
Temporary Engineering
Used in temporary retaining walls and as filling material for flood control sandbags in emergency disaster relief.
Classification of Geotextiles
Geotextiles are classified based on their structure and function:
Woven Type (e.g., geogrids, netting): High strength, used for reinforcement.
Non-Woven Type (e.g., geomembranes, non-woven fabrics): Mainly for filtration and separation.
Composite Type (e.g., composite geomembranes): Combining multiple functions.
Advantages
Lightweight, corrosion-resistant, and long-lasting (up to 20 years or more).
Cost-effective, significantly reducing the maintenance costs of projects.
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